これこそ、われわれの発明であるとはばかることなく断言し得る唯一の技芸である。
This is the one art that we can certainly claim to be our own invention.
kore koso, wareware no hatsumei de aru to habakaru kotonaku dangen shiuru yuiitsu no gigei de aru.

彼らは四つん這いになって少しずつ這い進み、しだいに騒ぎから遠ざかり、とうとう気づかれることなく、道の向こう端を越えて、転がり落ちた。
Slowly on hand and knee they crawled away out of the turmoil, until at last unnoticed they dropped over the further edge of the road.
karera wa yotsunbai ni natte sukoshi zutsu haitsutsumi, shidai ni sawagi kara toozakari, toutou kidzukareru kotonaku, michi no mukou hashi o koete, korogariochita.
***四つん這い (yotsunbai): crawl on all fours, on one’s hands and feet

小雪はそのまま廊下の端まで全力で駆け抜け、振り返ることなく階段をおりていった。
Koyuki sprinted to the end of the hall and, without looking back, disappeared into the stairwell.
koyuki wa sono mama rouka no hashi made zenryoku de kakenuke, furikaeru kotonaku kaidan o orite itta.

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